Only one program's instruction count is changed, but a shader in Tropics
is also affected.
instructions in affected programs: 162 -> 159 (-1.85%)
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 7d92c7a..5ac0d17 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -1922,6 +1922,20 @@ fs_visitor::opt_algebraic()
break;
}
break;
+ case BRW_CONDITIONAL_GE:
+ case BRW_CONDITIONAL_G:
+ switch (inst->src[1].type) {
+ case BRW_REGISTER_TYPE_F:
+ if (inst->src[1].imm.f <= 0.0f) {
+ inst->opcode = BRW_OPCODE_MOV;
+ inst->src[1] = reg_undef;
+ inst->conditional_mod = BRW_CONDITIONAL_NONE;
+ progress = true;
+ }
+ break;
+ default:
+ break;
+ }
default:
break;
}
--
1.8.3.2
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